OpenTechnical

OT-2026-000071045

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000071045) never changes.

Identity and time

Publication numberOT-2026-000071045 · never reused
Internal UUID01a0ae91-8c2e-7485-bfb7-6547c819bbf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071045
StatusPUBLIC

Content hashes

Canonical textd9846bc2eb7c1225250a8da3bc2e6c30d7eff8edcd02a55e848bb2d625b76593
Markdown1ded5908c9b9e16e8ec4e3615c6cdd279fdb76bb6161c986955f70428d78a90a
PDF
Publication page48c5b2c14813e341c4e49a2ae92245a2feaec860eb5e364ed01ecdee04d77fb6
Manifest99795b38e19dafe94de60d035bf2106f13bc3af3436cde59fb4ded97d9b36a56

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJn9Hfe4QS+TZn5sAppaiA+bVGnDQ4L+FFWZWe3WpDR0VFSEQj/RNLaVRjIgGYKi9X61Q5pzbbzhliiEY3sZfDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:54.061120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071045
observed 48c5b2c14813e341c4e49a2ae92245a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.045095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071045/manifest.json
observed 99795b38e19dafe94de60d035bf2106f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.028438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071045/publication.md
observed 1ded5908c9b9e16e8ec4e3615c6cdd27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.011673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071045/publication.txt
observed d9846bc2eb7c1225250a8da3bc2e6c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.